... key terms pg. 357 1. Acquired immune deficiency syndrome- Full form of AIDS, immune system disease: a disease of the immune system caused by infection with the retrovirus HIV, which destroys certain white blood cells and is ... muscular strain or injury, or result from a congenital weakness in the cavity wall. 15. Human immunodeficiency virus (HIV)- virus disabling immune system: either of two strains of a retrovirus, HIV-1 or HIV-2, that destroys the immune system's helper T cells, the loss of which causes AIDS. 16. Hysterectomy- removal of ... cervix, allowing for early diagnosis of c...

• Word Count: 966
• Approx Pages: 4
• Grade Level: Undergraduate

... phylum are dependant on water or moist surroundings to survive(Raven 1999). The reason that they rely so heavily on moisture in their environments is because they are lacking a vascular system. Bryophytes are some of the oldest and most primitive plants still extant on earth, and since they are unable to utilize xylem and phloem like vascular plants to transport water ... being suggested that would use certain species of mosses to monitor regional levels of atmospheric metals( Schilling and Lehman, 2002). Although the majority of bryophytes are not economically important for human consu...

• Word Count: 1014
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate